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HT
2010
ACM
15 years 5 months ago
Of categorizers and describers: an evaluation of quantitative measures for tagging motivation
While recent research has advanced our understanding about the structure and dynamics of social tagging systems, we know little about (i) the underlying motivations for tagging (w...
Christian Körner, Roman Kern, Hans-Peter Grah...
PODS
2010
ACM
306views Database» more  PODS 2010»
15 years 5 months ago
Optimizing linear counting queries under differential privacy
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...
Chao Li, Michael Hay, Vibhor Rastogi, Gerome Mikla...
HICSS
2002
IEEE
108views Biometrics» more  HICSS 2002»
15 years 4 months ago
Measuring and Assessing Online Store Image: A Study of Two Online Bookshops in the Benelux
The objectives of the research project described in this paper are (1) to develop reliable and valid measures for the components of online store image, and (2) to examine the infl...
Hans van der Heijden, Tibert Verhagen
HICSS
2002
IEEE
148views Biometrics» more  HICSS 2002»
15 years 4 months ago
Barriers to a Wide-Area Trusted Network Early Warning System for Electric Power Disturbances
It is apparent that perturbations of the North American electric power grid follow the patterns and characteristics of Self Organized Critical (SOC) systems. Published studies sho...
Paul W. Oman, Jeff Roberts
SIGMETRICS
2010
ACM
173views Hardware» more  SIGMETRICS 2010»
15 years 4 months ago
Channel fragmentation in dynamic spectrum access systems: a theoretical study
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
Edward G. Coffman Jr., Philippe Robert, Florian Si...
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